Corman, M. L. (1993). Colon and rectal surgery (3rd ed.). Lippincott.
Lua i Stíl Chicago (17ú heag.)Corman, Marvin L. Colon and Rectal Surgery. 3rd ed. Philadelphia, PA: Lippincott, 1993.
Lua MLA (9ú heag.)Corman, Marvin L. Colon and Rectal Surgery. 3rd ed. Lippincott, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.